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unshelve: disable unshelve during merge (issue5123)...
unshelve: disable unshelve during merge (issue5123) As stated in the issue5123, unshelve can destroy the second parent of the context when tried to unshelve with an uncommitted merge. This patch makes unshelve to abort when called with an uncommitted merge. See how shelve.mergefiles works. Commit structure looks like this: ``` ... -> pctx -> tmpwctx -> shelvectx / / second merge parent pctx = parent before merging working context(first merge parent) tmpwctx = commited working directory after merge(with two parents) shelvectx = shelved context ``` shelve.mergefiles first updates to pctx then it reverts shelvectx to pctx with: ``` cmdutil.revert(ui, repo, shelvectx, repo.dirstate.parents(), *pathtofiles(repo, files), **{'no_backup': True}) ``` Reverting tmpwctx files that were merged from second parent to pctx makes them added because they are not in pctx. Changing this revert operation is crucial to restore parents after unshelve. This is a complicated issue as this is not fixing a regression. Thus, for the time being, unshelve during an uncommitted merge can be aborted. (Details taken from http://mercurial.808500.n3.nabble.com/PATCH-V3-shelve-restore-parents-after-unshelve-issue5123-tt4036858.html#a4037408) Differential Revision: https://phab.mercurial-scm.org/D6169
Martin von Zweigbergk - - Load All Authors

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test-uncommit.t
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Test uncommit - set up the config
$ cat >> $HGRCPATH <<EOF
> [experimental]
> evolution.createmarkers=True
> evolution.allowunstable=True
> [extensions]
> uncommit =
> drawdag=$TESTDIR/drawdag.py
> EOF
Build up a repo
$ hg init repo
$ cd repo
$ hg bookmark foo
Help for uncommit
$ hg help uncommit
hg uncommit [OPTION]... [FILE]...
uncommit part or all of a local changeset
This command undoes the effect of a local commit, returning the affected
files to their uncommitted state. This means that files modified or
deleted in the changeset will be left unchanged, and so will remain
modified in the working directory.
If no files are specified, the commit will be pruned, unless --keep is
given.
(use 'hg help -e uncommit' to show help for the uncommit extension)
options ([+] can be repeated):
--keep allow an empty commit after uncommiting
--allow-dirty-working-copy allow uncommit with outstanding changes
-I --include PATTERN [+] include names matching the given patterns
-X --exclude PATTERN [+] exclude names matching the given patterns
(some details hidden, use --verbose to show complete help)
Uncommit with no commits should fail
$ hg uncommit
abort: cannot uncommit null changeset
(no changeset checked out)
[255]
Create some commits
$ touch files
$ hg add files
$ for i in a ab abc abcd abcde; do echo $i > files; echo $i > file-$i; hg add file-$i; hg commit -m "added file-$i"; done
$ ls
file-a
file-ab
file-abc
file-abcd
file-abcde
files
$ hg log -G -T '{rev}:{node} {desc}' --hidden
@ 4:6c4fd43ed714e7fcd8adbaa7b16c953c2e985b60 added file-abcde
|
o 3:6db330d65db434145c0b59d291853e9a84719b24 added file-abcd
|
o 2:abf2df566fc193b3ac34d946e63c1583e4d4732b added file-abc
|
o 1:69a232e754b08d568c4899475faf2eb44b857802 added file-ab
|
o 0:3004d2d9b50883c1538fc754a3aeb55f1b4084f6 added file-a
Simple uncommit off the top, also moves bookmark
$ hg bookmark
* foo 4:6c4fd43ed714
$ hg uncommit
$ hg status
M files
A file-abcde
$ hg bookmark
* foo 3:6db330d65db4
$ hg log -G -T '{rev}:{node} {desc}' --hidden
x 4:6c4fd43ed714e7fcd8adbaa7b16c953c2e985b60 added file-abcde
|
@ 3:6db330d65db434145c0b59d291853e9a84719b24 added file-abcd
|
o 2:abf2df566fc193b3ac34d946e63c1583e4d4732b added file-abc
|
o 1:69a232e754b08d568c4899475faf2eb44b857802 added file-ab
|
o 0:3004d2d9b50883c1538fc754a3aeb55f1b4084f6 added file-a
Recommit
$ hg commit -m 'new change abcde'
$ hg status
$ hg heads -T '{rev}:{node} {desc}'
5:0c07a3ccda771b25f1cb1edbd02e683723344ef1 new change abcde (no-eol)
Uncommit of non-existent and unchanged files has no effect
$ hg uncommit nothinghere
nothing to uncommit
[1]
$ hg status
$ hg uncommit file-abc
nothing to uncommit
[1]
$ hg status
Try partial uncommit, also moves bookmark
$ hg bookmark
* foo 5:0c07a3ccda77
$ hg uncommit files
$ hg status
M files
$ hg bookmark
* foo 6:3727deee06f7
$ hg heads -T '{rev}:{node} {desc}'
6:3727deee06f72f5ffa8db792ee299cf39e3e190b new change abcde (no-eol)
$ hg log -r . -p -T '{rev}:{node} {desc}'
6:3727deee06f72f5ffa8db792ee299cf39e3e190b new change abcdediff -r 6db330d65db4 -r 3727deee06f7 file-abcde
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/file-abcde Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+abcde
$ hg log -G -T '{rev}:{node} {desc}' --hidden
@ 6:3727deee06f72f5ffa8db792ee299cf39e3e190b new change abcde
|
| x 5:0c07a3ccda771b25f1cb1edbd02e683723344ef1 new change abcde
|/
| x 4:6c4fd43ed714e7fcd8adbaa7b16c953c2e985b60 added file-abcde
|/
o 3:6db330d65db434145c0b59d291853e9a84719b24 added file-abcd
|
o 2:abf2df566fc193b3ac34d946e63c1583e4d4732b added file-abc
|
o 1:69a232e754b08d568c4899475faf2eb44b857802 added file-ab
|
o 0:3004d2d9b50883c1538fc754a3aeb55f1b4084f6 added file-a
$ hg commit -m 'update files for abcde'
Uncommit with dirty state
$ echo "foo" >> files
$ cat files
abcde
foo
$ hg status
M files
$ hg uncommit
abort: uncommitted changes
(requires --allow-dirty-working-copy to uncommit)
[255]
$ hg uncommit files
abort: uncommitted changes
(requires --allow-dirty-working-copy to uncommit)
[255]
$ cat files
abcde
foo
$ hg commit --amend -m "files abcde + foo"
Testing the 'experimental.uncommitondirtywdir' config
$ echo "bar" >> files
$ hg uncommit
abort: uncommitted changes
(requires --allow-dirty-working-copy to uncommit)
[255]
$ hg uncommit --config experimental.uncommitondirtywdir=True
$ hg commit -m "files abcde + foo"
Uncommit in the middle of a stack, does not move bookmark
$ hg checkout '.^^^'
1 files updated, 0 files merged, 2 files removed, 0 files unresolved
(leaving bookmark foo)
$ hg log -r . -p -T '{rev}:{node} {desc}'
2:abf2df566fc193b3ac34d946e63c1583e4d4732b added file-abcdiff -r 69a232e754b0 -r abf2df566fc1 file-abc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/file-abc Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+abc
diff -r 69a232e754b0 -r abf2df566fc1 files
--- a/files Thu Jan 01 00:00:00 1970 +0000
+++ b/files Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-ab
+abc
$ hg bookmark
foo 9:48e5bd7cd583
$ hg uncommit
3 new orphan changesets
$ hg status
M files
A file-abc
$ hg heads -T '{rev}:{node} {desc}'
9:48e5bd7cd583eb24164ef8b89185819c84c96ed7 files abcde + foo (no-eol)
$ hg bookmark
foo 9:48e5bd7cd583
$ hg commit -m 'new abc'
created new head
Partial uncommit in the middle, does not move bookmark
$ hg checkout '.^'
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg log -r . -p -T '{rev}:{node} {desc}'
1:69a232e754b08d568c4899475faf2eb44b857802 added file-abdiff -r 3004d2d9b508 -r 69a232e754b0 file-ab
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/file-ab Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+ab
diff -r 3004d2d9b508 -r 69a232e754b0 files
--- a/files Thu Jan 01 00:00:00 1970 +0000
+++ b/files Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-a
+ab
$ hg bookmark
foo 9:48e5bd7cd583
$ hg uncommit file-ab
1 new orphan changesets
$ hg status
A file-ab
$ hg heads -T '{rev}:{node} {desc}\n'
11:8eb87968f2edb7f27f27fe676316e179de65fff6 added file-ab
10:5dc89ca4486f8a88716c5797fa9f498d13d7c2e1 new abc
9:48e5bd7cd583eb24164ef8b89185819c84c96ed7 files abcde + foo
$ hg bookmark
foo 9:48e5bd7cd583
$ hg commit -m 'update ab'
$ hg status
$ hg heads -T '{rev}:{node} {desc}\n'
12:f21039c59242b085491bb58f591afc4ed1c04c09 update ab
10:5dc89ca4486f8a88716c5797fa9f498d13d7c2e1 new abc
9:48e5bd7cd583eb24164ef8b89185819c84c96ed7 files abcde + foo
$ hg log -G -T '{rev}:{node} {desc}' --hidden
@ 12:f21039c59242b085491bb58f591afc4ed1c04c09 update ab
|
o 11:8eb87968f2edb7f27f27fe676316e179de65fff6 added file-ab
|
| * 10:5dc89ca4486f8a88716c5797fa9f498d13d7c2e1 new abc
| |
| | * 9:48e5bd7cd583eb24164ef8b89185819c84c96ed7 files abcde + foo
| | |
| | | x 8:84beeba0ac30e19521c036e4d2dd3a5fa02586ff files abcde + foo
| | |/
| | | x 7:0977fa602c2fd7d8427ed4e7ee15ea13b84c9173 update files for abcde
| | |/
| | * 6:3727deee06f72f5ffa8db792ee299cf39e3e190b new change abcde
| | |
| | | x 5:0c07a3ccda771b25f1cb1edbd02e683723344ef1 new change abcde
| | |/
| | | x 4:6c4fd43ed714e7fcd8adbaa7b16c953c2e985b60 added file-abcde
| | |/
| | * 3:6db330d65db434145c0b59d291853e9a84719b24 added file-abcd
| | |
| | x 2:abf2df566fc193b3ac34d946e63c1583e4d4732b added file-abc
| |/
| x 1:69a232e754b08d568c4899475faf2eb44b857802 added file-ab
|/
o 0:3004d2d9b50883c1538fc754a3aeb55f1b4084f6 added file-a
Uncommit with draft parent
$ hg uncommit
$ hg phase -r .
11: draft
$ hg commit -m 'update ab again'
Phase is preserved
$ hg uncommit --keep --config phases.new-commit=secret
note: keeping empty commit
$ hg phase -r .
14: draft
$ hg commit --amend -m 'update ab again'
Uncommit with public parent
$ hg phase -p "::.^"
$ hg uncommit
$ hg phase -r .
11: public
Partial uncommit with public parent
$ echo xyz > xyz
$ hg add xyz
$ hg commit -m "update ab and add xyz"
$ hg uncommit xyz
$ hg status
A xyz
$ hg phase -r .
17: draft
$ hg phase -r ".^"
11: public
Uncommit with --keep or experimental.uncommit.keep leaves an empty changeset
$ cd $TESTTMP
$ hg init repo1
$ cd repo1
$ hg debugdrawdag <<'EOS'
> Q
> |
> P
> EOS
$ hg up Q -q
$ hg uncommit --keep
note: keeping empty commit
$ hg log -G -T '{desc} FILES: {files}'
@ Q FILES:
|
| x Q FILES: Q
|/
o P FILES: P
$ cat >> .hg/hgrc <<EOF
> [experimental]
> uncommit.keep=True
> EOF
$ hg ci --amend
$ hg uncommit
note: keeping empty commit
$ hg log -G -T '{desc} FILES: {files}'
@ Q FILES:
|
| x Q FILES: Q
|/
o P FILES: P
$ hg status
A Q
$ hg ci --amend
$ hg uncommit --no-keep
$ hg log -G -T '{desc} FILES: {files}'
x Q FILES: Q
|
@ P FILES: P
$ hg status
A Q
$ cd ..
$ rm -rf repo1
Testing uncommit while merge
$ hg init repo2
$ cd repo2
Create some history
$ touch a
$ hg add a
$ for i in 1 2 3; do echo $i > a; hg commit -m "a $i"; done
$ hg checkout 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ touch b
$ hg add b
$ for i in 1 2 3; do echo $i > b; hg commit -m "b $i"; done
created new head
$ hg log -G -T '{rev}:{node} {desc}' --hidden
@ 5:2cd56cdde163ded2fbb16ba2f918c96046ab0bf2 b 3
|
o 4:c3a0d5bb3b15834ffd2ef9ef603e93ec65cf2037 b 2
|
o 3:49bb009ca26078726b8870f1edb29fae8f7618f5 b 1
|
| o 2:990982b7384266e691f1bc08ca36177adcd1c8a9 a 3
| |
| o 1:24d38e3cf160c7b6f5ffe82179332229886a6d34 a 2
|/
o 0:ea4e33293d4d274a2ba73150733c2612231f398c a 1
Add and expect uncommit to fail on both merge working dir and merge changeset
$ hg merge 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg uncommit
abort: outstanding uncommitted merge
(requires --allow-dirty-working-copy to uncommit)
[255]
$ hg uncommit --config experimental.uncommitondirtywdir=True
abort: cannot uncommit while merging
[255]
$ hg status
M a
$ hg commit -m 'merge a and b'
$ hg uncommit
abort: cannot uncommit merge changeset
[255]
$ hg status
$ hg log -G -T '{rev}:{node} {desc}' --hidden
@ 6:c03b9c37bc67bf504d4912061cfb527b47a63c6e merge a and b
|\
| o 5:2cd56cdde163ded2fbb16ba2f918c96046ab0bf2 b 3
| |
| o 4:c3a0d5bb3b15834ffd2ef9ef603e93ec65cf2037 b 2
| |
| o 3:49bb009ca26078726b8870f1edb29fae8f7618f5 b 1
| |
o | 2:990982b7384266e691f1bc08ca36177adcd1c8a9 a 3
| |
o | 1:24d38e3cf160c7b6f5ffe82179332229886a6d34 a 2
|/
o 0:ea4e33293d4d274a2ba73150733c2612231f398c a 1
Rename a->b, then remove b in working copy. Result should remove a.
$ hg co -q 0
$ hg mv a b
$ hg ci -qm 'move a to b'
$ hg rm b
$ hg uncommit --config experimental.uncommitondirtywdir=True
$ hg st --copies
R a
$ hg revert a
Rename a->b, then rename b->c in working copy. Result should rename a->c.
$ hg co -q 0
$ hg mv a b
$ hg ci -qm 'move a to b'
$ hg mv b c
$ hg uncommit --config experimental.uncommitondirtywdir=True
$ hg st --copies
A c
a
R a
$ hg revert a
$ hg forget c
$ rm c
Copy a->b1 and a->b2, then rename b1->c in working copy. Result should copy a->b2 and a->c.
$ hg co -q 0
$ hg cp a b1
$ hg cp a b2
$ hg ci -qm 'move a to b1 and b2'
$ hg mv b1 c
$ hg uncommit --config experimental.uncommitondirtywdir=True
$ hg st --copies
A b2
a
A c
a
$ cd ..
--allow-dirty-working-copy should also work on a dirty PATH
$ hg init issue5977
$ cd issue5977
$ echo 'super critical info!' > a
$ hg ci -Am 'add a'
adding a
$ echo 'foo' > b
$ hg add b
$ hg status
A b
$ hg unc a
note: keeping empty commit
$ cat a
super critical info!
$ hg log
changeset: 1:656ba143d384
tag: tip
parent: -1:000000000000
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add a
$ hg ci -Am 'add b'
$ echo 'foo bar' > b
$ hg unc b
abort: uncommitted changes
(requires --allow-dirty-working-copy to uncommit)
[255]
$ hg unc --allow-dirty-working-copy b
$ hg log
changeset: 3:30fa958635b2
tag: tip
parent: 1:656ba143d384
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add b
changeset: 1:656ba143d384
parent: -1:000000000000
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add a